Dyestuff mixtures of fiber-reactive azo dyestuffs and their use for dyeing fiber material containing hydroxyl and/or carboxamide groups
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United States of America Patent
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Jul 14, 1998
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app pub date -
Sep 5, 1997
filing date -
Sep 5, 1996
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Abstract
Mixtures of fiber-reactive azo dyestuffs with which black dyeings, including prints, are obtained on fiber materials containing hydroxy and/or carboxamide groups, such as cellulosic fiber materials, wool and synthetic polyamide fibers, are described. These dyestuffs mixtures comprise one or more dyestuffs of the following formulae (1) and (2): ##STR1## in which the substituents have the meaning given in the specification.
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